CN214331220U

CN214331220U - Silicon carbide bushing

Info

Publication number: CN214331220U
Application number: CN202120118395.0U
Authority: CN
Inventors: 柴晓明; 鞠晓
Original assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Current assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-01
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a carborundum bush, including the outer liner, a plurality of annular collar of outer liner inside wall fixedly connected with, it is a plurality of the annular collar inboard wall inlays and is equipped with same neck bush, outer liner bottom detachable connection has the installation base, the through-hole that runs through about the installation base lateral wall was seted up and set up with the neck bush intercommunication, outer liner top fixedly connected with second grade bush, second grade bush internal diameter is greater than the neck bush internal diameter, the inside sealing washer that is equipped with of outer liner, the sealing washer is located between second grade bush lower surface and the inside liner upper surface. The utility model discloses, through mutually supporting between outer bush, annular collar and the neck bush, during the use, inlay the neck bush in the inside of establishing at a plurality of annular collar, make outer bush and neck bush cooperation form bilayer structure and the middle hollow setting of part that is like this, can effectively reduce the noise of operation in-process like this, the permanent stable operation of device of being convenient for.

Description

Silicon carbide bushing

Technical Field

The utility model relates to a bush technical field especially relates to carborundum bush.

Background

The lining is generally a ring sleeve which plays a role of a liner and mainly plays a role of wear resistance, sealing and the like, the lining is generally made of corrosion-resistant materials, silicon carbide is commonly called carborundum, and the silicon carbide exists in nature in the form of Mosang stone which is a rare mineral and has low content, so that most of the existing silicon carbide is artificially synthesized, and the synthesized silicon carbide has high hardness and strong wear resistance, so the lining is widely applied to the fields of manufacturing industry, metal smelting, automobile parts and the like, wherein the lining made and formed by utilizing the silicon carbide has strong wear resistance, high hardness and wide application.

Most of existing silicon carbide bushings are integrally formed and are of single-layer structures, in the using process, large noise can be generated along with rotation of bearings and the like, the existing silicon carbide bushings are not beneficial to stable use of the bushings in the past, and therefore the silicon carbide bushings are designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the most integrated into one piece of the bush in the prior art is of a single-layer structure, and can produce the defect of larger noise in the using process, and the proposed silicon carbide bush.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the silicon carbide bushing comprises an outer bushing body, wherein a plurality of annular mounting rings are fixedly connected to the inner side wall of the outer bushing body, a plurality of annular mounting rings are embedded in the inner side wall of each annular mounting ring, the bottom of the outer bushing body is detachably connected with a mounting base, and a through hole which penetrates through the outer side wall of the mounting base from top to bottom and is communicated with the inner lining is formed in the outer side wall of the mounting base.

As a further description of the above technical solution:

the top of the outer bushing is fixedly connected with a second-stage bushing, and the inner diameter of the second-stage bushing is larger than that of the inner bushing.

As a further description of the above technical solution:

the inside sealing washer that is equipped with of outer bush, the sealing washer is located between second grade bush lower surface and the inside lining sleeve upper surface.

As a further description of the above technical solution:

the outer bushing, the inner bushing and the secondary bushing are all made of silicon carbide materials.

As a further description of the above technical solution:

the outer bushing lower surface fixed connection has a plurality of fixed blocks that are the annular array and arrange, the mounting groove with fixed block looks adaptation is seted up to installation base upper surface, pass through bolt fixed connection between fixed block and the installation base.

As a further description of the above technical solution:

the aperture of the through hole is not smaller than the inner diameter of the inner bushing.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this carborundum bush through the mutually supporting between outer liner, annular collar and the interior bush, during the use, inlays the interior bush and establishes in the inside of a plurality of annular collars, makes outer liner and interior bush cooperation form bilayer structure and middle part hollow setting like this, and the design is nimble, can effectively reduce the noise of operation in-process like this, the permanent stable operation of device of being convenient for.

2. Compared with the prior art, this carborundum bush through the outer liner, neck bush, installation base, fixed block and the mutual cooperation between the bolt, can make outer liner and installation base separation through dismantling the bolt to make things convenient for the installation of neck bush and take out, only need change the neck bush when changing simultaneously, but reuse such as outer liner and installation base has reduced the change maintenance cost, suitable using widely.

Drawings

Fig. 1 is a schematic structural diagram of a silicon carbide bushing according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view of a mounting base in a silicon carbide bushing according to the present invention;

FIG. 4 is a top view of a mounting base in a silicon carbide bushing according to the present invention;

FIG. 5 is a schematic view of a connection structure between an outer bushing and an annular mounting ring in a silicon carbide bushing according to the present invention;

fig. 6 is a front view of a silicon carbide bushing according to the present invention.

Illustration of the drawings:

1. an outer liner; 2. an annular mounting ring; 3. an inner liner; 4. installing a base; 5. a through hole; 6. a secondary bushing; 7. a seal ring; 8. a fixed block; 9. mounting grooves; 10. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a silicon carbide bushing: including outer liner 1, a plurality of annular installing ring of 1 inside wall fixedly connected with of

outer liner

2, 2 inside walls of a plurality of annular installing ring inlay and be equipped with

same neck bush

3, 1 bottom detachably connected with of outer liner installs base 4, a plurality of fixed block 8 that are the annular array and arrange under 1 of outer liner, the mounting groove 9 with 8 looks adaptations of fixed block is seted up to installation base 4 upper surface, through bolt 10 fixed connection between fixed block 8 and the installation base 4, through dismantling bolt 10, can make installation base 4 separate with outer liner 1, the installation and the taking out of neck bush 3 of being convenient for like this, screw thread through hole and the thread groove with bolt 10 looks adaptation are seted up respectively to the interior bottom of

mounting groove

9 and 8 lower surfaces of fixed block, make things convenient for bolt 10's installation.

Wherein, the outer side wall of the mounting base 4 is provided with a through hole 5 which penetrates through the inner bushing 3 from top to bottom and is communicated with the inner bushing 3, the aperture of the through hole 5 is not smaller than the inner diameter of the inner bushing 3, and the mounting base 4, the inner bushing 3 and the outer bushing 1 are integrally sleeved to a designated mounting position.

Wherein, 1 top fixedly connected with second grade bush 6 of outer liner, 6 internal diameters of second grade bush are greater than 3 internal diameters of neck bush, 1 inside sealing washer 7 that is equipped with of outer liner, sealing washer 7 is located between 6 lower surfaces of second grade bush and the 3 upper surfaces of neck bush, the stability after this bush integral erection has been guaranteed like this, outer liner 1, neck bush 3 and second grade bush 6 all adopt silicon carbide material to make, the intensity of outer liner 1, neck bush 3 and second grade bush 6 has been guaranteed, thereby the whole longer life of this bush has been guaranteed.

The working principle of the utility model is as follows:

when the sealing ring inserting sleeve is used, the sealing ring 7 is firstly padded to the top of the inner bushing 3, then the inner bushing 3 sequentially penetrates through the annular mounting rings 2 and is inserted into the outer bushing 1, and due to the elastic performance of the sealing ring 7, the sealing ring 7 can be guaranteed to penetrate through the inner side of the annular mounting rings 2.

Treat the back that 3 bottoms of neck bush flush with 1 bottom of outer liner, aim at mounting groove 9 and fixed block 8 on the installation base 4 again and insert, and utilize bolt 10 to lock fixed block 8 and installation base 4, avoid neck bush 3 to shift out from outer liner 1, and finally, with outer liner 1, second grade bush 6 and installation base 4 whole cover to appointed mounted position, at this moment, outer liner 1 forms bilayer structure and middle part hollow setting with 3 cooperation of neck bush, the design is nimble, can effectively reduce the noise of operation in-process like this, be convenient for the permanent stable operation of device.

When the inner bushing 3 needs to be replaced, the device is integrally taken down, then each bolt 10 is loosened, the inner bushing 3 can be taken out and replaced after the mounting base 4 is taken down, the inner bushing 3 only needs to be replaced during replacement, the outer bushing 1, the mounting base 4 and the like can be repeatedly used, the replacement and maintenance cost is reduced, and the device is suitable for popularization and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Silicon carbide bush, including outer bush (1), its characterized in that: outer bush (1) inside wall fixedly connected with a plurality of annular installing ring (2), it is a plurality of annular installing ring (2) inside wall inlays and is equipped with same interior bush (3), outer bush (1) bottom detachable connection has installation base (4), through-hole (5) that run through from top to bottom and set up with interior bush (3) intercommunication are seted up to installation base (4) lateral wall.

2. The silicon carbide liner of claim 1, wherein: the inner bushing is characterized in that a secondary bushing (6) is fixedly connected to the top of the outer bushing (1), and the inner diameter of the secondary bushing (6) is larger than that of the inner bushing (3).

3. The silicon carbide liner of claim 2, wherein: the inner bushing is characterized in that a sealing ring (7) is arranged inside the outer bushing (1), and the sealing ring (7) is located between the lower surface of the secondary bushing (6) and the upper surface of the inner bushing (3).

4. The silicon carbide liner of claim 2, wherein: the outer bushing (1), the inner bushing (3) and the secondary bushing (6) are all made of silicon carbide materials.

5. The silicon carbide liner of claim 1, wherein: outer bushing (1) lower fixed surface is connected with a plurality of fixed blocks (8) that are the annular array and arrange, mounting base (4) upper surface is seted up mounting groove (9) with fixed block (8) looks adaptation, through bolt (10) fixed connection between fixed block (8) and mounting base (4).

6. The silicon carbide liner of claim 1, wherein: the aperture of the through hole (5) is not less than the inner diameter of the inner bushing (3).